package com.qf.controller;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.qf.annotation.RequiresPermissionsDesc;
import com.qf.pojo.DtsRole;
import com.qf.service.DtsPermissionService;
import com.qf.service.DtsRoleService;
import com.qf.util.Permission;
import com.qf.util.PermissionUtil;
import com.qf.util.ResponseUtil;
import com.qf.vo.PermVo;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.web.bind.annotation.*;

import java.util.*;
import java.util.stream.Collectors;

/**
 * @author 千锋教育
 * @Company http://www.mobiletrain.org/
 * @Version 1.0
 */
@RestController
@RequestMapping("/admin/role")
public class DtsAdminRoleController {

    @Autowired
    DtsRoleService roleService;

    @Autowired
    DtsPermissionService permissionService;

    @Autowired
    ApplicationContext context;


    /**
     * 给角色授权
     */
    @PostMapping("/permissions")
    public Object grantPermission(@RequestBody Map<String,Object> map){
        //把map中的数据取出来了
        Integer roleId = (Integer) map.get("roleId");
        if(roleService.isSuperAdmin(roleId)){
            return ResponseUtil.fail(-1, "超级管理员不能修改权限");
        }

        ArrayList<String> permissions = (ArrayList) map.get("permissions");

        permissionService.updatePermission(roleId, permissions);
        return ResponseUtil.ok();
    }


    /**
     * 根据角色id查询权限
     *  1. 查询所有的权限(查询所有的控制器方法上的权限)
     *  2. 查询该角色拥有的权限
     * @param roleId
     * @return
     */
    @GetMapping("/permissions")
    public Object findPermissionById(Integer roleId){
        //获取控制器所有方法上的权限列表
        //参数1： 容器， 参数2： 指定包名
        List<Permission> permissions = PermissionUtil.listPermission(context, "com.qf.controller");
        //获取所有的权限字符串列表
        Set<String> permissionStrs = PermissionUtil.listPermissionString(permissions);
        //把所有的权限信息 转换为前端需要的数据格式
        List<PermVo> systemPermissions = PermissionUtil.listPermVo(permissions);

        Map<String,Object> data = new HashMap<>();
        //写所有的系统权限
        data.put("systemPermissions", systemPermissions);
        //该角色拥有的权限

        if(roleService.isSuperAdmin(roleId)) {
            // 如果该角色为超级管理员，则拥有所有的权限
            data.put("assignedPermissions", permissionStrs);
        }else {
            //如果不是超级管理员，则应该查询指定的权限
            Set<String> perms = permissionService.findPermByIds(new Integer[]{roleId});
            data.put("assignedPermissions", perms);
        }


        return ResponseUtil.ok(data);

    }

    @RequiresPermissions("admin:role:delete")
    @RequiresPermissionsDesc(menu = { "系统管理", "角色管理" }, button = "角色删除")
    @PostMapping("/delete")
    public Object delete(@RequestBody DtsRole role){
        boolean flag = roleService.delete(role);
        if(flag) {
            return ResponseUtil.ok();
        }else {
            return ResponseUtil.fail(-1, "该角色不能删除");
        }

    }
    @RequiresPermissions("admin:role:update")
    @RequiresPermissionsDesc(menu = { "系统管理", "角色管理" }, button = "角色编辑")
    @PostMapping("/update")
    public Object update(@RequestBody DtsRole role){
        roleService.update(role);
        return ResponseUtil.ok();
    }

    @RequiresPermissions("admin:role:list")
    @RequiresPermissionsDesc(menu = { "系统管理", "角色管理" }, button = "角色查询")
    @GetMapping("/list")
    public Object list(
            @RequestParam(name = "page", required = false, defaultValue = "1") Integer page,
            @RequestParam(name = "list", required = false, defaultValue = "10") Integer limit,
            String sort, String order ,String rolename
    ){
        IPage<DtsRole> ipage = roleService.queryPage(page, limit, sort, order, rolename);
        Map<String,Object> data = new HashMap<>();
        data.put("total", ipage.getTotal());
        data.put("items", ipage.getRecords());

        return ResponseUtil.ok(data);

    }

    /**
     * 查询所有角色
     * @return
     */
    @GetMapping("/options")
    public Object options(){
        //查询所有角色
        List<DtsRole> roleList = roleService.findAll();
        //转换为前端需要的数据格式
        List<Map<String, Object>> data = roleList.stream().map(role -> {
            Map<String, Object> map = new HashMap<>();
            map.put("value", role.getId());
            map.put("label", role.getName());
            return map;
        }).collect(Collectors.toList());

        return ResponseUtil.ok(data);
    }
}
